Widely used in milling machine, gear shaper, drilling machine, CNC engine lathe, hobbing machine or other machinery transmission occasionsSpecifications:Tooth pitch: 5.08mmNumber of tooth: 15 TeethBore Diameter: 6.35mmWeight: 50gMaterial: Aluminum AlloyPackage included:1pc XL15 Teeth Synchronous Wheel 2 x M5 Fixing Grub Screw